On my research list: Delphi “Package Cache” subtree
Posted by jpluimers on 2021/01/27
On one of the sites, when having some Delphi package registration issues, the standard measure was to delete the complete Package Cache subtree (like HKEY_CURRENT_USER\Software\Embarcadero\BDS\17.0\Package Cache).
Since there is so little information about it, it is on my list of things to eventually research.
Some links I already found, but had no time for to fully read:
- [WayBack] Embarcadero Discussion Forums: Components disapeared from tool pallete …
- [WayBack] Embarcadero Discussion Forums: Difficulties installing JCL /JVCL …
Hopefully the
Cleaning package cache for Jcl110.bplin this post will help me find more details. - [WayBack] Steve’s Blog » Blog Archive » The Mystery of the Disappearing Icon
- [WayBack] Uninstalling Delphi Components
- [WayBack] Is there a package to get a list of all installed components? – Delphi IDE and APIs – Delphi-PRAXiS [en]
- [WayBack] DQ14307 – Install 1.17 (and previous install) not clearing Package Cache in Registry? | DevExpress Support Center
- [WayBack] delphi – What is the purpose of “Package Cache” registry entries? – Stack Overflow
- [Archive.is] IDE Fix Pack 5.0 – released – Andy’s Blog and Tools
Unrelated: You should not delete the folder C:\ProgramData\Package Cache\? – Super User, but matched my initial delphi registry “Package Cache” – Google Search.
Yup, I did it: I added an “Undocumented Delphi” category.
–jeroen
The Wiert Corner - irregular stream of stuff 
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